Schaefer's HotZone® heaters are high power, high intensity infrared spot heaters that are used individually to heat a roughly circular (or square) area or in groups to heat arbitrarily large spaces of any shape in excess of the spot size in all dimensions.
Available in 35,000-110,000 BTU models.
HotZone® Industrial Electric and Gas Heater Brochure Gas Aisle Specifications Gas Spot Specifications